<template>
	<header class="header">
		<h1>todos</h1>
		<input id="toggle-all" class="toggle-all" type="checkbox" v-model="isAll" >
		<label for="toggle-all"></label>
		<input class="new-todo" @keyup.enter="add" v-model="content" placeholder="输入任务名称-回车确认" autofocus />
	</header>
</template>

<script>
	export default {
		props:{
			arr:{
				type:Array,
				required:true,
			}
		},
		data(){
			return {
				content:'',
				
			} 
		},
		methods:{
			add(){
				console.log('可以实现添加功能,这是输入框的值',this.content);
				this.$emit('add',this.content)
				this.content=''
			},
			
		},
		computed:{
			isAll:{
				set(val){
					console.log(val);
					this.arr.forEach(obj=>obj.isDone=val)

				},
				get(){
					return this.arr.every(obj => obj.isDone === true)
				}
			}
		}
	}
</script>
